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EP 2 853 005 A1

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(43) Date of publication: 01.04.2015 Bulletin 2015/14 (21) Application number: 13716547.8 (22) Date of filing: 20.03.2013

(51) International Patent Classification (IPC):  H01Q 1/28(2006.01) H01Q 19/10(2006.01) H01Q 21/06(2006.01) H01Q 15/14(2006.01) H01Q 21/00(2006.01) (86) International application number: PCT/US2013/033186 (87) International publication number: WO 2013/176778 (28.11.2013 Gazette 2013/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 21.05.2012 US 201213476764 (71) Applicant: Raytheon Company Waltham, MA 02451 (US)

(72) Inventors: WILLIAMS, Robert, Brett W. Hollywood, CA 90069-4326 (US) MAXHIMER, Kyle, W. Hermosa Beach, CA 90254-2335 (US) LAI, Larry, L. Walnut, CA 91789 (US) BRENNAN, Thomas Marina Del Rey, CA 90292 (US) QUAN, Clifton Arcadia, CA 91006-5615 (US) YANG, Fangchou Los Angeles, CA 90045-1703 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)